BULK-OUT® Bulk Bag Dischargers
Other Options
In addition to Bag Spout Interface Options, all BULK-OUT® Bulk Bag Dischargers are available with the following optional features:
Rotary Airlock Feeders
All BULK-OUT® Bulk Bag Dischargers are available with variable speed rotary air lock feeders for volumetric metering into positive- or negative-pressure pneumatic conveyor lines (shown), as well as with hoppers configured for connection to process equipment and mechanical conveyors including Flexicon flexible screw conveyors.
FLOW-FLEXER® bag activators
FLOW-FLEXER® bag activators raise and lower bottom edges of the bag to direct material into the bag outlet spout and to raise the bag into a steep "V" shape to promote total evacuation.
Principle of operation of POP-TOP™ bag stretching devices (BFF models only) and FLOW-FLEXER® bag activators (available on all models)
Poor-flowing, non-free-flowing and/or compacted materials will not fall through the bulk bag discharge spout consistently, often "rat-holing" or bridging as shown above.
At timed intervals, FLOW-FLEXER® bag activators raise and lower opposite bottom edges of bulk bags, promoting material flow into the discharge spout.
As the bag empties, the stroke of the FLOW-FLEXER® bag activators increases, raising the bottom of the bag into a steep "V" shape while POP-TOP™ extension devices stretch the bag into a cone shape, promoting complete discharge.
(On BFC models without POP-TOP™ bag stretching devices, the bag can be stretched in the same manner using the electric hoist, to promote complete discharge.)
Multi-Purpose intake chute and manual dumping station
The Multi-purpose Hood allows automatic discharging from bulk bags as well as manual emptying from sacks, drums and other containers. Available as an option on both BFC and BFF Series dischargers, it can operate with an optional dust collector to prevent contamination of the product and plant environment.
Raised platforms improve access and worker safety
Flexicon's line of access platforms provides level, stable and safe operator access to processing equipment and controls at various elevations.
Individual bulk bag weigh batching systems
All BULK-OUT® Bulk Bag Dischargers are available mounted on load cells, with controllers and flexible screw conveyors to accurately measure loss-of-weight as a batch is conveyed to any discharge point. Also available are gain-in-weight systems that measure weight discharged into a central receiving vessel, and start/stop each conveyor delivering materials from bulk bag dischargers, manual/dumping stations, silos, or any other material source.
Also see weigh batching systems.
Flexicon Loss-of-Weight Batching Systems discharge one or more bulk bags while weighing the material and conveying the batch directly to a common hopper, blender, conveyor, shipping container, or process vessel automatically, accurately, and economically. This loss-of-weight system is mounted on load cells which transmit the amount of weight lost to a controller which, in turn, stops the conveyor once the target batch weight has been reached.
The weigh batch filling head of this bulk bag gain-in-weight batching system can be cantilever-mounted (shown), or mounted remotely above any discharge point desired; the flexible screw conveyor can transport material at any angle to any nearby or distant plant location. Electric hoist and trolley model shown.
Options by model |
BFC Series (Cantilevered hoist & trolley) |
BFF Series (Forklift loading) |
BFH Series (Half-frame) |
| Rotary airlock valve for operation in-line with pneumatic conveyors |  |
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| SPOUT-LOCK® clamp ring with TELE-TUBE® telescoping tube (single or double wall) |
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| Conventional iris valve with intake chute/access door | |
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| Multi-purpose intake chute and manual dumping station | |
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| POWER-CINCHER® flow control valve (only with SPOUT-LOCK® clamp ring and TELE-TUBE® telescoping tube, above) |
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| BAG-VAC® dust collector | |
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| FLOW-FLEXER® bag activators | |
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| POP-TOP™ bag extension devices | — | |
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| Stainless steel in industrial or sanitary finish | |
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| Designed for high sanitary/dairy applications | |
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| Floor hopper with outlet for mechanical or pneumatic conveyor process equipment or storage vessel | |
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| Flexible Screw Conveyor (only with floor hopper, above) |
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| Weigh Batching Package | |
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